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Design and Evaluation of a Key-frame Arrangement Framework for Video Storyboard Surrogates

机译：视频情节提要替代品的关键帧排列框架的设计和评估

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摘要

This study examines the design and evaluation of a key-frame arrangement frameworkrnfor video storyboard surrogates. First, we constructed an arrangement model of keyframesrnfor a storyboard based on the Preserved Context Indexing System (PRECIS)rnand a narrative theory. Second, we evaluated the model using six sample videos andrn26 participants, and then analyzed the results using a t-test and repeated-measurernMANOVA. The results revealed that structurally arranged storyboards (STR) followingrnthe arrangement framework are not effective for either summarizing or indexing videosrnthan sequentially arranged storyboards (SEQ) and that the repetition of viewingrnstoryboards is effective for summarizing (not indexing) videos. The order of viewing twornstoryboards, regarding which of STR or SEQ comes first, is also crucial for improvingrnsubjects' summarizing ability. When subjects are viewing STR after SEQ, theyrnsummarize videos more effectively than viewing SEQ after STR.
机译：这项研究检查了用于视频情节提要替代品的关键帧安排框架的设计和评估。首先，我们基于保留上下文索引系统（PRECIS）和叙述理论，为情节提要构建了关键帧的排列模型。其次，我们使用六个样本视频和26位参与者评估了该模型，然后使用t检验和重复测量的MANOVA分析了结果。结果表明，与排列顺序的故事板（SEQ）相比，遵循排列框架的结构排列的故事板（STR）对视频的摘要或索引均无效，并且重复观看故事板对于摘要（未索引）的视频有效。查看两个故事板的顺序（有关哪个STR或SEQ优先）对于提高对象的摘要能力也至关重要。当受试者在SEQ之后观看STR时，与在STR之后观看SEQ相比，他们更有效地汇总视频。

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